Use the three-way ratio from part (a) and the given amount for Andy.<br><br>
• Andy : Han Boon : Richard = 5 : 12 : 3<br>
• Andy = 5 units = $25<br>
• 1 unit = $25 ÷ 5 = $5<br>
• Han Boon = 12 units = 12 × $5 = $60<br><br>
Final Answer: $60